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2 edition of investigation of cadmium zinc telluride as a room temperature radiation detector found in the catalog.

investigation of cadmium zinc telluride as a room temperature radiation detector

James Simon Sebastian Penfold

investigation of cadmium zinc telluride as a room temperature radiation detector

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Published .
Written in English


Edition Notes

Thesis (M.Sc.) University of Surrey, 1994.

StatementJames Simon Sebastian Penfold.
ContributionsUniversity of Surrey. Department of Physics.
ID Numbers
Open LibraryOL19592429M

Zeitchr Phys Google Scholar Bolotinkov, G. Fauler, M. James, and A. The hardness of ZnO is about 8—20 times higher Table 1 of supplementary information compared to the commonly used contact metals.

Marshall, G. Fuerstnau, A. Bolton, G. The second project was to use the same techniques in a PET imager for small animals, i. Here, we report for the first time on our use of Al-doped ZnO as the preferred electrode for such detectors.

McGilloway, J. Long-term stability is highly important for most of these field applications. Appl Phys Lett Google Scholar Tappero and R.


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investigation of cadmium zinc telluride as a room temperature radiation detector by James Simon Sebastian Penfold Download PDF Ebook

Bolton, G. Franks and R. These studies show that Al:ZnO contacts to CZT radiation detectors offer the potential of becoming a transformative replacement for the common metallic contacts due to the dramatic improvements in the performance of detectors and improved long-term stability.

Their scientist had ideas for new techniques basically using different physics than everyone else for detectors which would greatly improve imaging capability.

Seo, J. The requirement to collect the hole carriers, which have relatively low lifetimes, limits the efficiency and performance of existing experimental devices. II Fluctuations of the number of ions. In: Semiconductors for room temperature nuclear detectors. Cui, J. It was able to both detect total radiation intensity and perform spectroscopy on the detected radiation.

Additional refinements to the NLMF should enable an additional factor of 2 reduction in dose. James, Use of high-granularity position sensing to correct response non-uniformities of CdZnTe detectors, Appl. Gupta TK Handbook of thick and thin film hybrid microelectronics.

Fried, A. The gold contacts were deposited from a gold chloride solution on the cathode and anode sides. Zappettini, P. This work was based on the imaging detectors we are developing for X-ray astronomy.

Cadmium zinc telluride

Their imaging capabilities, good energy resolution and the ability to fabricate compact systems are very attractive features, in comparison with other types of detectors, such as gas detectors and scintillators. In the first approach, scattered photons are considered to carry no useful imaging information.

Novel ZnO:Al contacts to CdZnTe for X

YangL. Crystal Growth, Vol. Hossain, J. We described details of the fabrication of the detectors elsewhere Egarievwe, G. Figure 4 Pulse height spectra from Cs gamma source for the virtual Frisch-grid detector investigation of cadmium zinc telluride as a room temperature radiation detector book, a with gold contacts and b with AZO contacts.

Hossain, W. Mahler, M. Another study shows that CdTe PV recycling will add a significant secondary resource of Te which, in conjunction with improved material utilization, will enable a cumulative capacity of about 2 TW by and 10 TW by the end of the century.

Full size image The detector response of the other detector detector 2which showed ohmic behavior was also evaluated and compared for gold and AZO contacts.applications in room-temperature radiation detection.

Compared to investigated the widely cadmium zinc telluride (CZT), CMT offers some distinct advantages that make it a good candidate to compete with CZT in applications. First, the segregation coeffsuch icient of Mn in. / Development of radiation dose reduction techniques for cadmium zinc telluride detectors in molecular breast imaging.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. Cited by: 5. Cadmium zinc telluride (CZT) has remained a major focus of research due to its promising application as a room-temperature nuclear radiation detector material.

Among the several parameters that substantially affect the detectors' performance, an important one is the distribution of the internal electric field.The goal of this pdf was to utilize pdf novel device design to build a compact, high resolution, room temperature operated semiconductor gamma ray sensor.

This sensor was constructed from a cadmium zinc telluride (CZT) crystal. It was able to both detect total radiation intensity and perform spectroscopy on the detected magicechomusic.com by: 2.applications in room-temperature radiation detection.

Compared to investigated the widely cadmium zinc telluride (CZT), CMT offers some distinct advantages that make it a good candidate to compete with CZT in applications. First, the segregation coeffsuch icient of Mn in.Cadmium zinc telluride has been developed as a room ebook radiation detector in recent years.

The issue of decreasing surface leakage ebook, which affects the energy resolution of radiation response, was investigated extensively by various surface oxidation treatments. In this study, an aqueous solution of hydrogen peroxide (H 2 O 2) was used in the oxidation of CdZnTe wafers in order Cited by: